egroupware auf Debian 11 (VPS frisch installiert.)

apt update
apt upgrade
apt-get install sudo
sudo apt install snapd
sudo snap install core
sudo snap refresh core
sudo apt install fuse
sudo snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/certbot

echo 'deb http://download.opensuse.org/repositories/server:/eGroupWare/Debian_11/ /' | sudo tee /etc/apt/sources.list.d/server:eGroupWare.list

sudo apt install gnupg # required, but not installed by apt-key add for Debian 10/11

wget -nv https://download.opensuse.org/repositories/server:eGroupWare/xUbuntu_20.04/Release.key -O - | sudo apt-key add -

sudo apt update

apt install egroupware-docker
EGW per http erreichbar

sudo certbot --nginx
EGW per https erreichbar

apt update
HTTP_HOST=www.ingenieus.de apt install egroupware-rocketchat